Feedstock Standards

Roundtable on Sustainable Palm Oil
http://www.rspo.org/

Roundtable on Responsible Soy
http://www.responsiblesoy.org/

Sustainable Agriculture Network/Rainforest Alliance
http://www.rainforest-alliance.org/programs/agriculture/certification/index.html

IFOAM
http://www.ifoam.org/

GlobalGAP
http://www.globalgap.org/cms/front_content.php?idart=3&idcat=9&lang=1

Assured Food Standards
http://www.redtractor.org.uk/site/rt_home.php

Proterra Certification
http://www.cert-id.com/docs/pr-ProTerra.pdf